Yuval Noah Harari is the author of perhaps the two most important and thought provoking books of our time - Sapiens: A Brief History of Humankind and Homo Deus: A Brief History of Tomorrow. His latest book is titled - 21 Lessons for the 21st Century.

Tim Urban (Founder, Wait But Why) has become one of the internet’s most popular writers. His in-depth and geeky posts have garnered millions of visitors and famous fans like Elon Musk. In this episode, Tim and Kevin talk Bitcoin, VR, how to be more like Elon Musk, cryonics to live forever, and much more.

Marc Andreessen (@pmarca) is a legendary figure in Silicon Valley — and worldwide. Even in the epicenter of tech, it’s hard to find a more fascinating icon.Marc co-created the highly influential Mosaic Internet browser, the first widely used graphical web browser. He also co-founded Netscape, which later sold to AOL for $4.2 billion. Then he